The Complete 16 inch Ambi Side Charging M-LOK upper receiver comes with a 15 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.

WARNING: THIS IS AN AMBI SIDE CHARGING UPPER/ BCG. BE SURE TO TAKE EXTREME CARE AS THE CHARGING HANDLE RECIPROCATES WITH THE BCG. POTENTIALLY BEING DANGEROUS IF YOUR FINGERS OR HAND ARE IN THE WAY DURING CYCLING. WE RECOMMEND USING THE CHARGING HANDLE ON THE RIGHT SIDE.

Barrel:

Length - 16"
Material - 4150 Chrome Moly Vanadium
11-Degree Target Crown - Further improve accuracy
Profile - Government
Finish - QPQ Corrosion Resistant
Gas System Length - Mid-Length
Gas Block Journal - .750" Gas Block Journal
Twist Rate - 1/7 Twist
Muzzle - 1/2x28 Threaded
Weight - 28oz

Bolt Carrier Group:

Enhanced 9310 Steel (Bolt)
Side Charging - with ambidextrous threading, allowing anyone to use it, regardless of handidness!
8620 Tool Steel (Carrier)
Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
Tool Steel Extractor
Shrouded Firing Pin
Mil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and Properly staked
Caliber: .223 / 5.56 / 300 Blackout
Bolt is shot Peened and MPI
All BCG components pre polished before being processed and then post polished for an incredible shine

Upper Receiver:

Machined from a Mil-Spec 7075 T6 forging Hard Coat Anodized per Mil-A-8625F, Type III
No T-marks
No forward assist
No shell deflector
100% Made in USA

Handguard:

15" free float handguard
6061-T6 Aircraft Grade Aluminum
Mil-Spec HardCoat Anodized
Picatinny rail on top
8 M-Lok slots on 3 sides
Clamp on system with 2 screws and 2 square nuts for easy assembly
Solid Barrel nut with clamp-on design to resist movement
Made in USA

Please Note: Uppers may present light fouling from our quality control process and/or test firing

SKU: BNSC1655615OPTX-BLK